Oksana Berezniuk

Quantitative Researcher at Duality Group
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Contact Information
us****@****om
(386) 825-5501
Location
London, England, United Kingdom, UK

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Experience

    • United States
    • Financial Services
    • 1 - 100 Employee
    • Quantitative Researcher
      • Jul 2017 - Present

      Creating and implementing mathematical models for describing financial data behaviour and forecasting. Probability models, neural networks, Bayesian filters, Monte Carlo simulation, regression methods, classification algorithms (hierarchical clustering, Metropolis-Hastings algorithm), maximum likelihood estimation for different distributions, Fisher information matrix estimation, covariance matrix estimation, natural language processing (measuring text similarity and sentiment analysis). Models training and parameters fine-tuning, results analysis and visualization, backtesting. Using Python and C++, finding the computationally efficient way of models implementation which combine the effectiveness and parallelization ability of C++ and easiness of Python. Show less

    • United States
    • Software Development
    • 100 - 200 Employee
    • Quantitative Researcher
      • Mar 2017 - Jul 2017

      Analysing signal and noise in different types of financial data (stocks, ETFs, commodities), building efficient frontier profiles, neural networks and regression analysis, VAR and risk analysis, results visualization. Using Python and C++ Analysing signal and noise in different types of financial data (stocks, ETFs, commodities), building efficient frontier profiles, neural networks and regression analysis, VAR and risk analysis, results visualization. Using Python and C++

    • Malta
    • Technology, Information and Internet
    • 300 - 400 Employee
    • Marketing Research Analyst
      • Nov 2016 - Mar 2017

      Analysing the effectiveness of internet marketing campaigns for different advertising models, core KPI calculation, quality of communication estimation, building reports, results visualization and presentation Analysing the effectiveness of internet marketing campaigns for different advertising models, core KPI calculation, quality of communication estimation, building reports, results visualization and presentation

  • Kwendi Media Audit
    • Kyiv, Ukraine
    • Research Analyst
      • Nov 2014 - Nov 2016

      Analysing the effectiveness of marketing campaigns for companies operating in CIS countries. Budget analysts and optimization, quality of communication analysis and optimization, competitors analysis. TV, outdoor and internet advertising campaigns. Results visualization and presentation Analysing the effectiveness of marketing campaigns for companies operating in CIS countries. Budget analysts and optimization, quality of communication analysis and optimization, competitors analysis. TV, outdoor and internet advertising campaigns. Results visualization and presentation

Education

  • University of Oxford
    Master of Science - MS, Mathematical and Computational Finance
    2022 - 2023
  • Taras Shevchenko National University of Kyiv
    Master of Science - MS, Economic Cybernetics
    2014 - 2016
  • Taras Shevchenko National University of Kyiv
    Bachelor of Science - BS, Economic Cybernetics
    2010 - 2014

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